import os
import re

from django.conf import settings
from auth import SESSION_KEY
from auth.forms import AuthenticationForm
from django.contrib.sites.models import Site, RequestSite
from auth.models import User
from django.test import TestCase
from django.core import mail
from django.core.urlresolvers import reverse

class AuthViewsTestCase(TestCase):
    """
    Helper base class for all the follow test cases.
    """
    fixtures = ['authtestdata.json']
    #urls = 'auth.urls'

    def setUp(self):
        self.old_LANGUAGES = settings.LANGUAGES
        self.old_LANGUAGE_CODE = settings.LANGUAGE_CODE
        settings.LANGUAGES = (('en', 'English'),)
        settings.LANGUAGE_CODE = 'en'
        self.old_TEMPLATE_DIRS = settings.TEMPLATE_DIRS
        settings.TEMPLATE_DIRS = (
            os.path.join(
                os.path.dirname(__file__),
                'templates'
            )
        ,)

    def tearDown(self):
        settings.LANGUAGES = self.old_LANGUAGES
        settings.LANGUAGE_CODE = self.old_LANGUAGE_CODE
        settings.TEMPLATE_DIRS = self.old_TEMPLATE_DIRS

#class PasswordResetTest(AuthViewsTestCase):
#
#    def setUp(self):
#        self.old_LANGUAGES = settings.LANGUAGES
#        self.old_LANGUAGE_CODE = settings.LANGUAGE_CODE
#        settings.LANGUAGES = (('en', 'English'),)
#        settings.LANGUAGE_CODE = 'en'
#
#    def tearDown(self):
#        settings.LANGUAGES = self.old_LANGUAGES
#        settings.LANGUAGE_CODE = self.old_LANGUAGE_CODE
#
#    def test_email_not_found(self):
#        "Error is raised if the provided email address isn't currently registered"
#        response = self.client.get('/password_reset/')
#        self.assertEquals(response.status_code, 200)
#        response = self.client.post('/password_reset/', {'email': 'not_a_real_email@email.com'})
#        self.assertContains(response, "That e-mail address doesn&#39;t have an associated user account")
#        self.assertEquals(len(mail.outbox), 0)
#
#    def test_email_found(self):
#        "Email is sent if a valid email address is provided for password reset"
#        response = self.client.post('/password_reset/', {'email': 'staffmember@example.com'})
#        self.assertEquals(response.status_code, 302)
#        self.assertEquals(len(mail.outbox), 1)
#        self.assert_("http://" in mail.outbox[0].body)
#
#    def _test_confirm_start(self):
#        # Start by creating the email
#        response = self.client.post('/password_reset/', {'email': 'staffmember@example.com'})
#        self.assertEquals(response.status_code, 302)
#        self.assertEquals(len(mail.outbox), 1)
#        return self._read_signup_email(mail.outbox[0])
#
#    def _read_signup_email(self, email):
#        urlmatch = re.search(r"https?://[^/]*(/.*reset/\S*)", email.body)
#        self.assert_(urlmatch is not None, "No URL found in sent email")
#        return urlmatch.group(), urlmatch.groups()[0]
#
#    def test_confirm_valid(self):
#        url, path = self._test_confirm_start()
#        response = self.client.get(path)
#        # redirect to a 'complete' page:
#        self.assertEquals(response.status_code, 200)
#        self.assert_("Please enter your new password" in response.content)
#
#    def test_confirm_invalid(self):
#        url, path = self._test_confirm_start()
#        # Let's munge the token in the path, but keep the same length,
#        # in case the URLconf will reject a different length.
#        path = path[:-5] + ("0"*4) + path[-1]
#
#        response = self.client.get(path)
#        self.assertEquals(response.status_code, 200)
#        self.assert_("The password reset link was invalid" in response.content)
#
#    def test_confirm_invalid_post(self):
#        # Same as test_confirm_invalid, but trying
#        # to do a POST instead.
#        url, path = self._test_confirm_start()
#        path = path[:-5] + ("0"*4) + path[-1]
#
#        response = self.client.post(path, {'new_password1': 'anewpassword',
#                                           'new_password2':' anewpassword'})
#        # Check the password has not been changed
#        u = User.objects.get(email='staffmember@example.com')
#        self.assert_(not u.check_password("anewpassword"))
#
#    def test_confirm_complete(self):
#        url, path = self._test_confirm_start()
#        response = self.client.post(path, {'new_password1': 'anewpassword',
#                                           'new_password2': 'anewpassword'})
#        # It redirects us to a 'complete' page:
#        self.assertEquals(response.status_code, 302)
#        # Check the password has been changed
#        u = User.objects.get(email='staffmember@example.com')
#        self.assert_(u.check_password("anewpassword"))
#
#        # Check we can't use the link again
#        response = self.client.get(path)
#        self.assertEquals(response.status_code, 200)
#        self.assert_("The password reset link was invalid" in response.content)
#
#    def test_confirm_different_passwords(self):
#        url, path = self._test_confirm_start()
#        response = self.client.post(path, {'new_password1': 'anewpassword',
#                                           'new_password2':' x'})
#        self.assertEquals(response.status_code, 200)
#        self.assert_("The two password fields didn&#39;t match" in response.content)
#
#class ChangePasswordTest(AuthViewsTestCase):
#    fixtures = [
#        'greatcoins_market.json',
#        'greatcoins_subscriptions.json',
#        'greatcoins_auth.json',
#        'greatcoins_shops.json',
#        'greatcoins_preferences.json',
#        'greatcoins_themes.json'
#    ]
#    def login(self, password='password'):
#        response = self.client.post('/login/', {
#            'username': 'testclient',
#            'password': password
#            }
#        )
#        self.assertEquals(response.status_code, 302)
#        self.assert_(response['Location'].endswith(settings.LOGIN_REDIRECT_URL))
#
#    def fail_login(self, password='password'):
#        response = self.client.post('/login/', {
#            'username': 'testclient',
#            'password': password
#            }
#        )
#        self.assertEquals(response.status_code, 200)
#        self.assert_("Please enter a correct username and password. Note that both fields are case-sensitive." in response.content)
#
#    def logout(self):
#        response = self.client.get('/logout/')
#
#    def test_password_change_fails_with_invalid_old_password(self):
#        self.login()
#        response = self.client.post('/password_change/', {
#            'old_password': 'donuts',
#            'new_password1': 'password1',
#            'new_password2': 'password1',
#            }
#        )
#        self.assertEquals(response.status_code, 200)
#        self.assert_("Your old password was entered incorrectly. Please enter it again." in response.content)
#
#    def test_password_change_fails_with_mismatched_passwords(self):
#        self.login()
#        response = self.client.post('/password_change/', {
#            'old_password': 'password',
#            'new_password1': 'password1',
#            'new_password2': 'donuts',
#            }
#        )
#        self.assertEquals(response.status_code, 200)
#        self.assert_("The two password fields didn&#39;t match." in response.content)
#
#    def test_password_change_succeeds(self):
#        self.login()
#        response = self.client.post('/password_change/', {
#            'old_password': 'password',
#            'new_password1': 'password1',
#            'new_password2': 'password1',
#            }
#        )
#        self.assertEquals(response.status_code, 302)
#        self.assert_(response['Location'].endswith('/password_change/done/'))
#        self.fail_login()
#        self.login(password='password1')
#
#class LoginTest(AuthViewsTestCase):
#
#    def test_current_site_in_context_after_login(self):
#        response = self.client.get(reverse('auth.views.login'))
#        self.assertEquals(response.status_code, 200)
#        site = Site.objects.get_current()
#        self.assertEquals(response.context['site'], site)
#        self.assertEquals(response.context['site_name'], site.name)
#        self.assert_(isinstance(response.context['form'], AuthenticationForm), 
#                     'Login form is not an AuthenticationForm')
#        
#class LogoutTest(AuthViewsTestCase):
#    urls = 'auth.tests.urls'
#
#    def login(self, password='password'):
#        response = self.client.post('/login/', {
#            'username': 'testclient',
#            'password': password
#            }
#        )
#        self.assertEquals(response.status_code, 302)
#        self.assert_(response['Location'].endswith(settings.LOGIN_REDIRECT_URL))
#        self.assert_(SESSION_KEY in self.client.session)
#
#    def confirm_logged_out(self):
#        self.assert_(SESSION_KEY not in self.client.session)
#
#    def test_logout_default(self):
#        "Logout without next_page option renders the default template"
#        self.login()
#        response = self.client.get('/logout/')
#        self.assertEquals(200, response.status_code)
#        self.assert_('Logged out' in response.content)
#        self.confirm_logged_out()
#
#    def test_logout_with_next_page_specified(self): 
#        "Logout with next_page option given redirects to specified resource"
#        self.login()
#        response = self.client.get('/logout/next_page/')
#        self.assertEqual(response.status_code, 302)
#        self.assert_(response['Location'].endswith('/somewhere/'))
#        self.confirm_logged_out()
#
#    def test_logout_with_redirect_argument(self):
#        "Logout with query string redirects to specified resource"
#        self.login()
#        response = self.client.get('/logout/?next=/login/')
#        self.assertEqual(response.status_code, 302)
#        self.assert_(response['Location'].endswith('/login/'))
#        self.confirm_logged_out()
#
#    def test_logout_with_custom_redirect_argument(self):
#        "Logout with custom query string redirects to specified resource"
#        self.login()
#        response = self.client.get('/logout/custom_query/?follow=/somewhere/')
#        self.assertEqual(response.status_code, 302)
#        self.assert_(response['Location'].endswith('/somewhere/'))
#        self.confirm_logged_out()
